The introduction of norms of international law into the internal legal order depends on the solution contained in the highest legal act of the country, i.e. the constitution. International law does not contain rules on how a state will fulfill its international obligations by accepting the appropriate international instrument, which is why the legislator, courts and individuals of each country are faced with numerous complex conceptual and doctrinal questions concerning the role and position of international law in the internal legal system. However, international law is clear regarding the obligations that the state undertakes on the international level, which do not depend on internal norms.